🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.67 AU - 0.77 AU

Year: 216 Days

Day: 43.3 Hours

Environment

Temp: 204 °C

Axial Tilt: 41 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.12 AU - 1.12 AU

Year: 419 Days

Day: 41.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 19,910,429 km

• M1: 186,100 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.42 AU - 2.7 AU

Year: 1446 Days

Day: 37.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,910,429 km

• M1: 1,345,483 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.62 AU - 3.28 AU

Year: 1789 Days

Day: 43 Hours

Environment

Temp: -96 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,910,429 km

• M1: 89,011 km (0.09 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.53 AU - 3.93 AU

Year: 2544 Days

Day: 12 Hours

Environment

Temp: -108 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.64 AU - 4.44 AU

Year: 2867 Days

Day: 36.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 97.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.08 AU - 4.12 AU

Year: 2931 Days

Day: 35.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,910,429 km

• M1: 287,228 km (0.062 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.77 AU - 5.71 AU

Year: 3644 Days

Day: 44.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,910,429 km

• M1: 1,522,308 km (0.099 R)

Planet 9 - Terrestrial

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.02 AU - 5.56 AU

Year: 3702 Days

Day: 23.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.7

Radius: 8.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.78 AU - 6.3 AU

Year: 5241 Days

Day: 13.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 19,910,429 km

• M1: 214,972 km (0.059 R)
• M2: 362,326 km (0.115 R)
• M3: 489,484 km (0.08 R)
• M4: 650,601 km (0.051 R)
• M5: 809,773 km (0.111 R)
• M6: 909,705 km (0.12 R)
• M7: 1,013,825 km (0.102 R)
• M8: 1,189,153 km (0.099 R)
• M9: 1,594,115 km (0.051 R)
• M10: 1,878,201 km (0.119 R)
• M11: 1,985,613 km (0.047 R)
• M12: 2,108,732 km (0.095 R)
• M13: 2,220,481 km (0.12 R)
• M14: 2,277,179 km (0.073 R)
• M15: 2,567,548 km (0.106 R)
• M16: 2,687,077 km (0.112 R)
• M17: 2,885,294 km (0.11 R)
• M18: 3,296,090 km (0.112 R)
• M19: 3,524,975 km (0.069 R)
• M20: 3,759,245 km (0.058 R)
• M21: 3,895,229 km (0.076 R)
• M22: 4,402,366 km (0.11 R)
• M23: 4,672,839 km (0.101 R)
• M24: 4,800,895 km (0.037 R)
• M25: 5,343,935 km (0.119 R)
• M26: 5,497,273 km (0.026 R)
• M27: 5,710,450 km (0.108 R)
• M28: 5,985,710 km (0.074 R)
• M29: 6,305,550 km (0.062 R)
• M30: 6,366,137 km (0.116 R)
• M31: 6,426,874 km (0.046 R)
• M32: 6,754,493 km (0.086 R)
• M33: 7,066,555 km (0.095 R)
• M34: 7,277,188 km (0.105 R)
• M35: 7,791,356 km (0.107 R)
• M36: 8,272,912 km (0.113 R)
• M37: 8,361,474 km (0.104 R)
• M38: 8,741,602 km (0.082 R)
• M39: 8,831,809 km (0.102 R)
• M40: 9,426,012 km (0.11 R)
• M41: 9,681,376 km (0.114 R)
• M42: 10,080,503 km (0.07 R)
• M43: 10,701,184 km (0.067 R)
• M44: 10,870,380 km (0.109 R)
• M45: 11,016,238 km (0.061 R)
• M46: 11,334,283 km (0.106 R)
• M47: 11,482,085 km (0.102 R)
• M48: 11,729,969 km (0.118 R)
• M49: 11,854,584 km (0.099 R)
• M50: 12,079,878 km (0.034 R)
• M51: 12,713,276 km (0.081 R)
• M52: 12,918,225 km (0.105 R)
• M53: 13,072,760 km (0.059 R)
• M54: 13,435,534 km (0.113 R)
• M55: 13,749,092 km (0.1 R)
• M56: 13,985,905 km (0.092 R)
• M57: 14,065,192 km (0.086 R)
• M58: 14,356,908 km (0.037 R)
• M59: 14,490,199 km (0.055 R)
• M60: 14,838,762 km (0.105 R)
• M61: 14,919,545 km (0.072 R)
• M62: 15,434,910 km (0.087 R)
• M63: 16,874,789 km (0.06 R)
• M64: 16,959,163 km (0.111 R)
• M65: 17,241,454 km (0.117 R)
• M66: 17,639,235 km (0.097 R)
• M67: 17,696,231 km (0.112 R)
• M68: 17,839,247 km (0.109 R)
• M69: 17,982,562 km (0.084 R)
• M70: 18,183,920 km (0.093 R)
• M71: 18,357,155 km (0.12 R)
• M72: 18,501,816 km (0.111 R)
• M73: 19,026,007 km (0.082 R)
• M74: 19,319,368 km (0.108 R)

Kuiper Belt

Range: 31.1 - 60.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 18,355 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit